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. Author manuscript; available in PMC: 2016 Jan 31.

Published in final edited form as: Neurobiol Aging. 2014 Oct 31;36(2):1097–1104. doi: 10.1016/j.neurobiolaging.2014.10.029

Table 1.

Subject Characteristics

	University of Florida			PPMI
	Control	PD	Test Statistic	Control	PD	Test Statistic
Number of Participant (n)	20	28	na	56	78	na
Age (yr), mn (SD)	62.7 (8.9)	64.7 (8.2)	t(46)=−0.80, p=0.430	59.5 (11.5)	61.6 (9.2)	t(132)=−1.22, p=0.222
MDS-UPDRS III, mn (SD)	2.0 (1.9)	29.8 (9.2)	t(30)=−15.61, p<0.001	0.63 (1.2)	22.9 (8.7)	t(80.7)=−22.2,p<.001
Dis. Duration, mo (SD)	na	40.9 (21.5)	na	na	7.9 (7.8)	na
Female sex, total (%)	11 (55%)	9 (32.1%)	χ²(1)=2.51, p=0.113	21 (37.5 %)	23 (29.5%)	χ²(1)=0.95, p=0.330
MOCA, mn (SD)	27.4 (1.5)	26.0 (1.9)	t(46)=2.64, p=0.011	28.4 (1.2)	27.6 (2)	t(128)=2.80,p=0.009
Putamen SBR, mn (SD)	na	na		1.96 (0.4)	0.78 (0.3)	t(80.9)=17.6,p<0.001

na = not available; mn = mean; SD = standard deviation